Input Validation Flaw in Unsloth AI Product by Unslothai
CVE-2026-112075

5.3MEDIUM

Key Information:

Vendor

Unslothai

Status
Unsloth
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112075?

A vulnerability has been identified in the Unsloth AI product, specifically in the FastSentenceTransformer._is_transformer_module_ref function located in the sentence_transformer.py file. This flaw allows manipulation of the argument Type, introducing the risk of accepting externally-controlled input for class or code selection. Such exploitation can be initiated remotely, heightening the threat of unauthorized access or potential attacks. To address this issue, users are advised to upgrade to version 0.1.902-beta, which includes the necessary patches to remediate this vulnerability.

Affected Version(s)

unsloth 0.1.501-beta

unsloth 0.1.902-beta

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-112075 - Proof of Concept

References

https://vuldb.com/vuln/421754
vdb-entrytechnical-description
https://vuldb.com/vuln/421754/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112075
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

r1ck99 (VulDB User)
.